/*

Library for the LSM303D sensor coded to be use together
with NuttX.

  Sources:
    - https://github.com/Laurenceb/STM32F3Discovery
    - http://www.zilogic.com/blog/nuttx-temperature-sensor.html
*/

#ifndef __LSM303DLHC_H
#define __LSM303DLHC_H

#ifdef __cplusplus
 extern "C" {
#endif


/* I2C definitions */
#if 0
typedef enum {DISABLE = 0, ENABLE = !DISABLE} FunctionalState;
#define     __IO    volatile

/* Review all these values */
#define PERIPH_BASE           ((uint32_t)0x40000000) /*!< Peripheral base address in the alias region */
#define APB1PERIPH_BASE       PERIPH_BASE
#define I2C1_BASE             (APB1PERIPH_BASE + 0x5400)
#define I2C1                ((I2C_TypeDef *) I2C1_BASE)

#endif

typedef struct
{
  __IO uint32_t CR1;      /*!< I2C Control register 1,            Address offset: 0x00 */
  __IO uint32_t CR2;      /*!< I2C Control register 2,            Address offset: 0x04 */
  __IO uint32_t OAR1;     /*!< I2C Own address 1 register,        Address offset: 0x08 */
  __IO uint32_t OAR2;     /*!< I2C Own address 2 register,        Address offset: 0x0C */
  __IO uint32_t TIMINGR;  /*!< I2C Timing register,               Address offset: 0x10 */
  __IO uint32_t TIMEOUTR; /*!< I2C Timeout register,              Address offset: 0x14 */
  __IO uint32_t ISR;      /*!< I2C Interrupt and status register, Address offset: 0x18 */
  __IO uint32_t ICR;      /*!< I2C Interrupt clear register,      Address offset: 0x1C */
  __IO uint32_t PECR;     /*!< I2C PEC register,                  Address offset: 0x20 */
  __IO uint32_t RXDR;     /*!< I2C Receive data register,         Address offset: 0x24 */
  __IO uint32_t TXDR;     /*!< I2C Transmit data register,        Address offset: 0x28 */
}I2C_TypeDef;


/* LSM303DLHC ACC struct */
typedef struct
{
  uint8_t Power_Mode;                         /* Power-down/Normal Mode */
  uint8_t AccOutput_DataRate;                 /* OUT data rate */
  uint8_t Axes_Enable;                        /* Axes enable */
  uint8_t High_Resolution;                    /* High Resolution enabling/disabling */
  uint8_t BlockData_Update;                   /* Block Data Update */
  uint8_t Endianness;                         /* Endian Data selection */
  uint8_t AccFull_Scale;                      /* Full Scale selection */
}LSM303DLHCAcc_InitTypeDef;

/* LSM303DLHC Acc High Pass Filter struct */
typedef struct
{
  uint8_t HighPassFilter_Mode_Selection;      /* Internal filter mode */
  uint8_t HighPassFilter_CutOff_Frequency;    /* High pass filter cut-off frequency */
  uint8_t HighPassFilter_AOI1;                /* HPF_enabling/disabling for AOI function on interrupt 1 */
  uint8_t HighPassFilter_AOI2;                /* HPF_enabling/disabling for AOI function on interrupt 2 */
}LSM303DLHCAcc_FilterConfigTypeDef;

/* LSM303DLHC Mag struct */
typedef struct
{
  uint8_t Temperature_Sensor;                /* Temperature sensor enable/disable */
  uint8_t MagOutput_DataRate;                /* OUT data rate */
  uint8_t Working_Mode;                      /* operating mode */
  uint8_t MagFull_Scale;                     /* Full Scale selection */
}LSM303DLHCMag_InitTypeDef;

  
#define LSM303DLHC_OK                       ((uint32_t) 0)
#define LSM303DLHC_FAIL                     ((uint32_t) 0)

/* Uncomment the following line to use the default LSM303DLHC_TIMEOUT_UserCallback() 
   function implemented in stm32f3_discovery_lgd20.c file.
   LSM303DLHC_TIMEOUT_UserCallback() function is called whenever a timeout condition 
   occure during communication (waiting transmit data register empty flag(TXE)
   or waiting receive data register is not empty flag (RXNE)). */   
/* #define USE_DEFAULT_TIMEOUT_CALLBACK */

/* Maximum Timeout values for flags waiting loops. These timeouts are not based
   on accurate values, they just guarantee that the application will not remain
   stuck if the I2C communication is corrupted.
   You may modify these timeout values depending on CPU frequency and application
   conditions (interrupts routines ...). */   
#define LSM303DLHC_FLAG_TIMEOUT             ((uint32_t)0x1000)
#define LSM303DLHC_LONG_TIMEOUT             ((uint32_t)(10 * LSM303DLHC_FLAG_TIMEOUT))  
/**
  * @brief  LSM303DLHC I2C Interface pins
  */
#define LSM303DLHC_I2C                       I2C1
#define LSM303DLHC_I2C_CLK                   RCC_APB1Periph_I2C1

#define LSM303DLHC_I2C_SCK_PIN               GPIO_Pin_6                  /* PB.06 */
#define LSM303DLHC_I2C_SCK_GPIO_PORT         GPIOB                       /* GPIOB */
#define LSM303DLHC_I2C_SCK_GPIO_CLK          RCC_AHBPeriph_GPIOB
#define LSM303DLHC_I2C_SCK_SOURCE            GPIO_PinSource6
#define LSM303DLHC_I2C_SCK_AF                GPIO_AF_4

#define LSM303DLHC_I2C_SDA_PIN               GPIO_Pin_7                  /* PB.7 */
#define LSM303DLHC_I2C_SDA_GPIO_PORT         GPIOB                       /* GPIOB */
#define LSM303DLHC_I2C_SDA_GPIO_CLK          RCC_AHBPeriph_GPIOB
#define LSM303DLHC_I2C_SDA_SOURCE            GPIO_PinSource7
#define LSM303DLHC_I2C_SDA_AF                GPIO_AF_4

#define LSM303DLHC_DRDY_PIN                  GPIO_Pin_2                  /* PE.02 */
#define LSM303DLHC_DRDY_GPIO_PORT            GPIOE                       /* GPIOE */
#define LSM303DLHC_DRDY_GPIO_CLK             RCC_AHBPeriph_GPIOE
#define LSM303DLHC_DRDY_EXTI_LINE            EXTI_Line2
#define LSM303DLHC_DRDY_EXTI_PORT_SOURCE     EXTI_PortSourceGPIOE
#define LSM303DLHC_DRDY_EXTI_PIN_SOURCE      EXTI_PinSource2
#define LSM303DLHC_DRDY_EXTI_IRQn            EXTI2_TS_IRQn 

#define LSM303DLHC_I2C_INT1_PIN              GPIO_Pin_4                  /* PE.04 */
#define LSM303DLHC_I2C_INT1_GPIO_PORT        GPIOE                       /* GPIOE */
#define LSM303DLHC_I2C_INT1_GPIO_CLK         RCC_AHBPeriph_GPIOE
#define LSM303DLHC_I2C_INT1_EXTI_LINE        EXTI_Line4
#define LSM303DLHC_I2C_INT1_EXTI_PORT_SOURCE EXTI_PortSourceGPIOE
#define LSM303DLHC_I2C_INT1_EXTI_PIN_SOURCE  EXTI_PinSource4
#define LSM303DLHC_I2C_INT1_EXTI_IRQn        EXTI4_IRQn 

#define LSM303DLHC_I2C_INT2_PIN              GPIO_Pin_5                  /* PE.05 */
#define LSM303DLHC_I2C_INT2_GPIO_PORT        GPIOE                       /* GPIOE */
#define LSM303DLHC_I2C_INT2_GPIO_CLK         RCC_AHBPeriph_GPIOE
#define LSM303DLHC_I2C_INT2_EXTI_LINE        EXTI_Line5
#define LSM303DLHC_I2C_INT2_EXTI_PORT_SOURCE EXTI_PortSourceGPIOE
#define LSM303DLHC_I2C_INT2_EXTI_PIN_SOURCE  EXTI_PinSource5ss
#define LSM303DLHC_I2C_INT2_EXTI_IRQn        EXTI9_5_IRQn 

/******************************************************************************/
/*************************** START REGISTER MAPPING  **************************/
/******************************************************************************/
/* Acceleration Registers */
#define LSM303DLHC_CTRL_REG1_A               0x20  /* Control register 1 acceleration */
#define LSM303DLHC_CTRL_REG2_A               0x21  /* Control register 2 acceleration */
#define LSM303DLHC_CTRL_REG3_A               0x22  /* Control register 3 acceleration */
#define LSM303DLHC_CTRL_REG4_A               0x23  /* Control register 4 acceleration */
#define LSM303DLHC_CTRL_REG5_A               0x24  /* Control register 5 acceleration */
#define LSM303DLHC_CTRL_REG6_A               0x25  /* Control register 6 acceleration */
#define LSM303DLHC_REFERENCE_A               0x26  /* Reference register acceleration */
#define LSM303DLHC_STATUS_REG_A              0x27  /* Status register acceleration */
#define LSM303DLHC_OUT_X_L_A                 0x28  /* Output Register X acceleration */
#define LSM303DLHC_OUT_X_H_A                 0x29  /* Output Register X acceleration */
#define LSM303DLHC_OUT_Y_L_A                 0x2A  /* Output Register Y acceleration */
#define LSM303DLHC_OUT_Y_H_A                 0x2B  /* Output Register Y acceleration */
#define LSM303DLHC_OUT_Z_L_A                 0x2C  /* Output Register Z acceleration */
#define LSM303DLHC_OUT_Z_H_A                 0x2D  /* Output Register Z acceleration */ 
#define LSM303DLHC_FIFO_CTRL_REG_A           0x2E  /* Fifo control Register acceleration */
#define LSM303DLHC_FIFO_SRC_REG_A            0x2F  /* Fifo src Register acceleration */

#define LSM303DLHC_INT1_CFG_A                0x30  /* Interrupt 1 configuration Register acceleration */
#define LSM303DLHC_INT1_SOURCE_A             0x31  /* Interrupt 1 source Register acceleration */
#define LSM303DLHC_INT1_THS_A                0x32  /* Interrupt 1 Threshold register acceleration */
#define LSM303DLHC_INT1_DURATION_A           0x33  /* Interrupt 1 DURATION register acceleration */

#define LSM303DLHC_INT2_CFG_A                0x34  /* Interrupt 2 configuration Register acceleration */
#define LSM303DLHC_INT2_SOURCE_A             0x35  /* Interrupt 2 source Register acceleration */
#define LSM303DLHC_INT2_THS_A                0x36  /* Interrupt 2 Threshold register acceleration */
#define LSM303DLHC_INT2_DURATION_A           0x37  /* Interrupt 2 DURATION register acceleration */

#define LSM303DLHC_CLICK_CFG_A               0x38  /* Click configuration Register acceleration */
#define LSM303DLHC_CLICK_SOURCE_A            0x39  /* Click 2 source Register acceleration */
#define LSM303DLHC_CLICK_THS_A               0x3A  /* Click 2 Threshold register acceleration */

#define LSM303DLHC_TIME_LIMIT_A              0x3B  /* Time Limit Register acceleration */
#define LSM303DLHC_TIME_LATENCY_A            0x3C  /* Time Latency Register acceleration */
#define LSM303DLHC_TIME_WINDOW_A             0x3D  /* Time window register acceleration */

/* Magnetic field Registers */
#define LSM303DLHC_CRA_REG_M                 0x00  /* Control register A magnetic field */
#define LSM303DLHC_CRB_REG_M                 0x01  /* Control register B magnetic field */
#define LSM303DLHC_MR_REG_M                  0x02  /* Control register MR magnetic field */
#define LSM303DLHC_OUT_X_H_M                 0x03  /* Output Register X magnetic field */
#define LSM303DLHC_OUT_X_L_M                 0x04  /* Output Register X magnetic field */
#define LSM303DLHC_OUT_Z_H_M                 0x05  /* Output Register Z magnetic field */
#define LSM303DLHC_OUT_Z_L_M                 0x06  /* Output Register Z magnetic field */ 
#define LSM303DLHC_OUT_Y_H_M                 0x07  /* Output Register Y magnetic field */
#define LSM303DLHC_OUT_Y_L_M                 0x08  /* Output Register Y magnetic field */

#define LSM303DLHC_SR_REG_M                  0x09  /* Status Register magnetic field */
#define LSM303DLHC_IRA_REG_M                 0x0A  /* IRA Register magnetic field */
#define LSM303DLHC_IRB_REG_M                 0x0B  /* IRB Register magnetic field */
#define LSM303DLHC_IRC_REG_M                 0x0C  /* IRC Register magnetic field */

#define LSM303DLHC_TEMP_OUT_H_M              0x31  /* Temperature Register magnetic field */
#define LSM303DLHC_TEMP_OUT_L_M              0x32  /* Temperature Register magnetic field */

/******************************************************************************/
/**************************** END REGISTER MAPPING  ***************************/
/******************************************************************************/

#define ACC_I2C_ADDRESS                      0x32
#define MAG_I2C_ADDRESS                      0x3C
/** @defgroup Acc_Power_Mode_selection 
  * @{
  */
#define LSM303DLHC_NORMAL_MODE            ((uint8_t)0x00)
#define LSM303DLHC_LOWPOWER_MODE          ((uint8_t)0x08)
/** @defgroup Acc_OutPut_DataRate_Selection 
  * @{
  */
#define LSM303DLHC_ODR_1_HZ                ((uint8_t)0x10)  /*!< Output Data Rate = 1 Hz */
#define LSM303DLHC_ODR_10_HZ               ((uint8_t)0x20)  /*!< Output Data Rate = 10 Hz */
#define LSM303DLHC_ODR_25_HZ               ((uint8_t)0x30)  /*!< Output Data Rate = 25 Hz */
#define LSM303DLHC_ODR_50_HZ               ((uint8_t)0x40)  /*!< Output Data Rate = 50 Hz */
#define LSM303DLHC_ODR_100_HZ              ((uint8_t)0x50)  /*!< Output Data Rate = 100 Hz */
#define LSM303DLHC_ODR_200_HZ              ((uint8_t)0x60)  /*!< Output Data Rate = 200 Hz */
#define LSM303DLHC_ODR_400_HZ              ((uint8_t)0x70)  /*!< Output Data Rate = 400 Hz */
#define LSM303DLHC_ODR_1620_HZ_LP          ((uint8_t)0x80)  /*!< Output Data Rate = 1620 Hz only in Low Power Mode */
#define LSM303DLHC_ODR_1344_HZ             ((uint8_t)0x90)  /*!< Output Data Rate = 1344 Hz in Normal mode and 5376 Hz in Low Power Mode */
/** @defgroup Acc_Axes_Selection 
  * @{
  */
#define LSM303DLHC_X_ENABLE                ((uint8_t)0x01)
#define LSM303DLHC_Y_ENABLE                ((uint8_t)0x02)
#define LSM303DLHC_Z_ENABLE                ((uint8_t)0x04)
#define LSM303DLHC_AXES_ENABLE             ((uint8_t)0x07)
#define LSM303DLHC_AXES_DISABLE            ((uint8_t)0x00)
/** @defgroup Acc_High_Resolution
  * @{
  */
#define LSM303DLHC_HR_ENABLE               ((uint8_t)0x08)
#define LSM303DLHC_HR_DISABLE              ((uint8_t)0x00)
/** @defgroup Acc_Full_Scale_Selection 
  * @{
  */
#define LSM303DLHC_FULLSCALE_2G            ((uint8_t)0x00)  /*!< �2 g */
#define LSM303DLHC_FULLSCALE_4G            ((uint8_t)0x10)  /*!< �4 g */
#define LSM303DLHC_FULLSCALE_8G            ((uint8_t)0x20)  /*!< �8 g */
#define LSM303DLHC_FULLSCALE_16G           ((uint8_t)0x30)  /*!< �16 g */
/** @defgroup Acc_Block_Data_Update 
  * @{
  */  
#define LSM303DLHC_BlockUpdate_Continous   ((uint8_t)0x00) /*!< Continuos Update */
#define LSM303DLHC_BlockUpdate_Single      ((uint8_t)0x80) /*!< Single Update: output registers not updated until MSB and LSB reading */  
/** @defgroup Acc_Endian_Data_selection
  * @{
  */  
#define LSM303DLHC_BLE_LSB                 ((uint8_t)0x00) /*!< Little Endian: data LSB @ lower address */
#define LSM303DLHC_BLE_MSB	           ((uint8_t)0x40) /*!< Big Endian: data MSB @ lower address */  
/** @defgroup Acc_Boot_Mode_selection 
  * @{
  */
#define LSM303DLHC_BOOT_NORMALMODE         ((uint8_t)0x00)
#define LSM303DLHC_BOOT_REBOOTMEMORY       ((uint8_t)0x80) 
/** @defgroup Acc_High_Pass_Filter_Mode 
  * @{
  */   
#define LSM303DLHC_HPM_NORMAL_MODE_RES     ((uint8_t)0x00)
#define LSM303DLHC_HPM_REF_SIGNAL          ((uint8_t)0x40)
#define LSM303DLHC_HPM_NORMAL_MODE         ((uint8_t)0x80)
#define LSM303DLHC_HPM_AUTORESET_INT       ((uint8_t)0xC0)
/** @defgroup Acc_High_Pass_CUT OFF_Frequency 
  * @{
  */   
#define LSM303DLHC_HPFCF_8                 ((uint8_t)0x00)
#define LSM303DLHC_HPFCF_16                ((uint8_t)0x10)
#define LSM303DLHC_HPFCF_32                ((uint8_t)0x20)
#define LSM303DLHC_HPFCF_64                ((uint8_t)0x30)
/** @defgroup Acc_High_Pass_Filter_status 
  * @{
  */   
#define LSM303DLHC_HIGHPASSFILTER_DISABLE  ((uint8_t)0x00)
#define LSM303DLHC_HIGHPASSFILTER_ENABLE   ((uint8_t)0x08)
/** @defgroup Acc_High_Pass_Filter_Click_status 
  * @{
  */   
#define LSM303DLHC_HPF_CLICK_DISABLE       ((uint8_t)0x00)
#define LSM303DLHC_HPF_CLICK_ENABLE	       ((uint8_t)0x04)
/** @defgroup Acc_High_Pass_Filter_AOI1_status 
  * @{
  */   
#define LSM303DLHC_HPF_AOI1_DISABLE        ((uint8_t)0x00)
#define LSM303DLHC_HPF_AOI1_ENABLE	       ((uint8_t)0x01)
/** @defgroup Acc_High_Pass_Filter_AOI2_status 
  * @{
  */   
#define LSM303DLHC_HPF_AOI2_DISABLE        ((uint8_t)0x00)
#define LSM303DLHC_HPF_AOI2_ENABLE	   ((uint8_t)0x02)
/** @defgroup Acc_LSM303DLHC_Interrupt1_Configuration_definition
  * @{
  */
#define LSM303DLHC_IT1_CLICK               ((uint8_t)0x80)
#define LSM303DLHC_IT1_AOI1                ((uint8_t)0x40)
#define LSM303DLHC_IT1_AOI2                ((uint8_t)0x20)
#define LSM303DLHC_IT1_DRY1                ((uint8_t)0x10)
#define LSM303DLHC_IT1_DRY2                ((uint8_t)0x08)

#define LSM303DLHC_IT1_WTM                 ((uint8_t)0x04)
#define LSM303DLHC_IT1_OVERRUN             ((uint8_t)0x02) 
/** @defgroup Acc_LSM303DLHC_Interrupt2_Configuration_definition
  * @{
  */
#define LSM303DLHC_IT2_CLICK               ((uint8_t)0x80)
#define LSM303DLHC_IT2_INT1                ((uint8_t)0x40)
#define LSM303DLHC_IT2_INT2                ((uint8_t)0x20)
#define LSM303DLHC_IT2_BOOT                ((uint8_t)0x10)
#define LSM303DLHC_IT2_ACT                 ((uint8_t)0x08)
#define LSM303DLHC_IT2_HLACTIVE            ((uint8_t)0x02)
/** @defgroup Acc_INT_Combination_Status 
  * @{
  */   
#define LSM303DLHC_OR_COMBINATION          ((uint8_t)0x00)  /*!< OR combination of enabled IRQs */
#define LSM303DLHC_AND_COMBINATION	       ((uint8_t)0x80)  /*!< AND combination of enabled IRQs */
#define LSM303DLHC_MOV_RECOGNITION         ((uint8_t)0x40)  /*!< 6D movement recognition */
#define LSM303DLHC_POS_RECOGNITION	       ((uint8_t)0xC0)  /*!< 6D position recognition */
/** @defgroup Acc_INT_Axes 
  * @{
  */   
#define LSM303DLHC_Z_HIGH                  ((uint8_t)0x20)  /*!< Z High enabled IRQs */
#define LSM303DLHC_Z_LOW	                 ((uint8_t)0x10)  /*!< Z low enabled IRQs */
#define LSM303DLHC_Y_HIGH                  ((uint8_t)0x08)  /*!< Y High enabled IRQs */
#define LSM303DLHC_Y_LOW	                 ((uint8_t)0x04)  /*!< Y low enabled IRQs */
#define LSM303DLHC_X_HIGH                  ((uint8_t)0x02)  /*!< X High enabled IRQs */
#define LSM303DLHC_X_LOW	                 ((uint8_t)0x01)  /*!< X low enabled IRQs */      
/** @defgroup Acc_INT_Click 
  * @{
  */   
#define LSM303DLHC_Z_DOUBLE_CLICK          ((uint8_t)0x20)  /*!< Z double click IRQs */
#define LSM303DLHC_Z_SINGLE_CLICK	         ((uint8_t)0x10)  /*!< Z single click IRQs */
#define LSM303DLHC_Y_DOUBLE_CLICK          ((uint8_t)0x08)  /*!< Y double click IRQs */
#define LSM303DLHC_Y_SINGLE_CLICK	         ((uint8_t)0x04)  /*!< Y single click IRQs */
#define LSM303DLHC_X_DOUBLE_CLICK          ((uint8_t)0x02)  /*!< X double click IRQs */
#define LSM303DLHC_X_SINGLE_CLICK	         ((uint8_t)0x01)  /*!< X single click IRQs */
/** @defgroup Acc_INT1_Interrupt_status 
  * @{
  */   
#define LSM303DLHC_INT1INTERRUPT_DISABLE   ((uint8_t)0x00)
#define LSM303DLHC_INT1INTERRUPT_ENABLE	   ((uint8_t)0x80)
/** @defgroup Acc_INT1_Interrupt_ActiveEdge 
  * @{
  */   
#define LSM303DLHC_INT1INTERRUPT_LOW_EDGE  ((uint8_t)0x20)
#define LSM303DLHC_INT1INTERRUPT_HIGH_EDGE ((uint8_t)0x00)
/** @defgroup Mag_Data_Rate 
  * @{
  */ 
#define LSM303DLHC_ODR_0_75_HZ              ((uint8_t) 0x00)  /*!< Output Data Rate = 0.75 Hz */
#define LSM303DLHC_ODR_1_5_HZ               ((uint8_t) 0x04)  /*!< Output Data Rate = 1.5 Hz */
#define LSM303DLHC_ODR_3_0_HZ               ((uint8_t) 0x08)  /*!< Output Data Rate = 3 Hz */
#define LSM303DLHC_ODR_7_5_HZ               ((uint8_t) 0x0C)  /*!< Output Data Rate = 7.5 Hz */
#define LSM303DLHC_ODR_15_HZ                ((uint8_t) 0x10)  /*!< Output Data Rate = 15 Hz */
#define LSM303DLHC_ODR_30_HZ                ((uint8_t) 0x14)  /*!< Output Data Rate = 30 Hz */
#define LSM303DLHC_ODR_75_HZ                ((uint8_t) 0x18)  /*!< Output Data Rate = 75 Hz */
#define LSM303DLHC_ODR_220_HZ               ((uint8_t) 0x1C)  /*!< Output Data Rate = 220 Hz */ 
/** @defgroup Mag_Full_Scale
  * @{
  */ 
#define  LSM303DLHC_FS_1_3_GA               ((uint8_t) 0x20)  /*!< Full scale = �1.3 Gauss */
#define  LSM303DLHC_FS_1_9_GA               ((uint8_t) 0x40)  /*!< Full scale = �1.9 Gauss */
#define  LSM303DLHC_FS_2_5_GA               ((uint8_t) 0x60)  /*!< Full scale = �2.5 Gauss */
#define  LSM303DLHC_FS_4_0_GA               ((uint8_t) 0x80)  /*!< Full scale = �4.0 Gauss */
#define  LSM303DLHC_FS_4_7_GA               ((uint8_t) 0xA0)  /*!< Full scale = �4.7 Gauss */
#define  LSM303DLHC_FS_5_6_GA               ((uint8_t) 0xC0)  /*!< Full scale = �5.6 Gauss */
#define  LSM303DLHC_FS_8_1_GA               ((uint8_t) 0xE0)  /*!< Full scale = �8.1 Gauss */ 
/**
 * @defgroup Magnetometer_Sensitivity              
 * @{
 */
#define LSM303DLHC_M_SENSITIVITY_XY_1_3Ga     1100  /*!< magnetometer X Y axes sensitivity for 1.3 Ga full scale [LSB/Ga] */
#define LSM303DLHC_M_SENSITIVITY_XY_1_9Ga     855   /*!< magnetometer X Y axes sensitivity for 1.9 Ga full scale [LSB/Ga] */
#define LSM303DLHC_M_SENSITIVITY_XY_2_5Ga     670   /*!< magnetometer X Y axes sensitivity for 2.5 Ga full scale [LSB/Ga] */
#define LSM303DLHC_M_SENSITIVITY_XY_4Ga       450   /*!< magnetometer X Y axes sensitivity for 4 Ga full scale [LSB/Ga] */
#define LSM303DLHC_M_SENSITIVITY_XY_4_7Ga     400   /*!< magnetometer X Y axes sensitivity for 4.7 Ga full scale [LSB/Ga] */
#define LSM303DLHC_M_SENSITIVITY_XY_5_6Ga     330   /*!< magnetometer X Y axes sensitivity for 5.6 Ga full scale [LSB/Ga] */
#define LSM303DLHC_M_SENSITIVITY_XY_8_1Ga     230   /*!< magnetometer X Y axes sensitivity for 8.1 Ga full scale [LSB/Ga] */
#define LSM303DLHC_M_SENSITIVITY_Z_1_3Ga      980   /*!< magnetometer Z axis sensitivity for 1.3 Ga full scale [LSB/Ga] */
#define LSM303DLHC_M_SENSITIVITY_Z_1_9Ga      760   /*!< magnetometer Z axis sensitivity for 1.9 Ga full scale [LSB/Ga] */
#define LSM303DLHC_M_SENSITIVITY_Z_2_5Ga      600   /*!< magnetometer Z axis sensitivity for 2.5 Ga full scale [LSB/Ga] */
#define LSM303DLHC_M_SENSITIVITY_Z_4Ga        400   /*!< magnetometer Z axis sensitivity for 4 Ga full scale [LSB/Ga] */
#define LSM303DLHC_M_SENSITIVITY_Z_4_7Ga      355   /*!< magnetometer Z axis sensitivity for 4.7 Ga full scale [LSB/Ga] */
#define LSM303DLHC_M_SENSITIVITY_Z_5_6Ga      295   /*!< magnetometer Z axis sensitivity for 5.6 Ga full scale [LSB/Ga] */
#define LSM303DLHC_M_SENSITIVITY_Z_8_1Ga      205   /*!< magnetometer Z axis sensitivity for 8.1 Ga full scale [LSB/Ga] */
/** @defgroup Mag_Working_Mode
  * @{
  */ 
#define LSM303DLHC_CONTINUOS_CONVERSION      ((uint8_t) 0x00)   /*!< Continuous-Conversion Mode */
#define LSM303DLHC_SINGLE_CONVERSION         ((uint8_t) 0x01)   /*!< Single-Conversion Mode */
#define LSM303DLHC_SLEEP                     ((uint8_t) 0x02)   /*!< Sleep Mode */                       
/** @defgroup Mag_Temperature_Sensor
  * @{
  */ 
#define LSM303DLHC_TEMPSENSOR_ENABLE         ((uint8_t) 0x80)   /*!< Temp sensor Enable */
#define LSM303DLHC_TEMPSENSOR_DISABLE        ((uint8_t) 0x00)   /*!< Temp sensor Disable */    

#if 0

/* Acc functions */  
void LSM303DLHC_AccInit(LSM303DLHCAcc_InitTypeDef *LSM303DLHC_InitStruct);
void LSM303DLHC_AccRebootCmd(void);
void LSM303DLHC_AccFilterConfig(LSM303DLHCAcc_FilterConfigTypeDef *LSM303DLHC_FilterStruct) ;
void LSM303DLHC_AccFilterCmd(uint8_t HighPassFilterState);
void LSM303DLHC_AccFilterClickCmd(uint8_t HighPassFilterClickState);
void LSM303DLHC_AccIT1Config(uint8_t LSM303DLHC_IT, FunctionalState NewState);
void LSM303DLHC_AccIT2Config(uint8_t LSM303DLHC_IT, FunctionalState NewState);
void LSM303DLHC_AccINT1InterruptConfig(uint8_t ITCombination, uint8_t ITAxes, FunctionalState NewState );
void LSM303DLHC_AccINT2InterruptConfig(uint8_t ITCombination, uint8_t ITAxes, FunctionalState NewState );
void LSM303DLHC_AccClickITConfig(uint8_t ITClick, FunctionalState NewState);
uint8_t LSM303DLHC_AccGetDataStatus(void);

/* Mag functions */ 
void LSM303DLHC_MagInit(LSM303DLHCMag_InitTypeDef *LSM303DLHC_InitStruct);
uint8_t LSM303DLHC_MagGetDataStatus(void);

/* read write funtions */
uint16_t LSM303DLHC_Write(uint8_t DeviceAddr, uint8_t RegAddr, uint8_t* pBuffer);
uint16_t LSM303DLHC_Read(uint8_t DeviceAddr, uint8_t RegAddr,uint8_t* pBuffer, uint16_t NumByteToRead);

/* USER Callbacks: This is function for which prototype only is declared in
   MEMS accelerometre driver and that should be implemented into user applicaiton. */  
/* LSM303DLHC_TIMEOUT_UserCallback() function is called whenever a timeout condition 
   occure during communication (waiting transmit data register empty flag(TXE)
   or waiting receive data register is not empty flag (RXNE)).
   You can use the default timeout callback implementation by uncommenting the 
   define USE_DEFAULT_TIMEOUT_CALLBACK in stm32f3_discovery_LSM303DLHC.h file.
   Typically the user implementation of this callback should reset MEMS peripheral
   and re-initialize communication or in worst case reset all the application. */
uint32_t LSM303DLHC_TIMEOUT_UserCallback(void);

#endif

#ifdef __cplusplus
}
#endif

#endif /* __LSM303DLHC_H */